RU95108858A - Process for purifying industrial acrylic acid
- Google Patents
Process for purifying industrial acrylic acid
Info
Publication number
RU95108858A
RU95108858ARU95108858/04ARU95108858ARU95108858ARU 95108858 ARU95108858 ARU 95108858ARU 95108858/04 ARU95108858/04 ARU 95108858/04ARU 95108858 ARU95108858 ARU 95108858ARU 95108858 ARU95108858 ARU 95108858A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/251,762external-prioritypatent/US5571386A/en
Application filed by Ром Энд Хаас Компани (Us), Ром Энд Хаас КомпаниfiledCriticalРом Энд Хаас Компани (Us)
Publication of RU95108858ApublicationCriticalpatent/RU95108858A/en
FIELD: chemical industry. SUBSTANCE: claimed invention describes process having residual aldehyde content lower than 10 ppm. The claimed process uses chosen groups of amines in continuous process. EFFECT: more efficient purification process.
Claims (1)
Изобретение относится к непрерывным способам получения высокочистой акриловой кислоты, имеющей уровни остаточного содержания альдегидов 10 част. /млн. В способе используются две выбранные группы аминов в различных частях непрерывного процесса.The invention relates to continuous methods for producing high-purity acrylic acid having residual aldehyde levels of 10 ppm. / million The method uses two selected groups of amines in different parts of a continuous process.
RU95108858/04A1994-05-311995-05-31Process for purifying industrial acrylic acid
RU95108858A
(en)